Robot wrist

Details Robot wrist Robot wrist

1987-06-10

1989-02-21

Spar, Robert J.

Material or article handling

Vertically swinging load support

Grab

74392, 74409, 901 26, 901 29, B66C 110

Patent

active

048060690

ABSTRACT:
The bending and turning movements of the wrist are brought about by drive motors via at least one gear train, in which a cylindrical gear pinion drives a cylindrical gear wheel via an intermediate wheel. For adjusting the backlash, the intermediate wheel is journalled on a movable support which makes contact with a cylindrical guide surface in the wrist housing and can be displaced, by means of two adjusting screws, along a circular path, the center of which coincides with the axis of rotation of the gear pinion. The intermediate wheel is journalled on an eccentric bearing pin on the movable support.

REFERENCES:
patent: 1171347 (1916-02-01), Morse
patent: 2444734 (1948-07-01), Gillett
patent: 3150533 (1964-09-01), Wallgren
patent: 3329035 (1967-07-01), Herr
patent: 3347110 (1967-10-01), Wilson
patent: 4147071 (1979-04-01), Scribner et al.
patent: 4532822 (1985-08-01), Godlewski
patent: 4576544 (1986-03-01), Passemard et al.

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